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CVSS v3.1
N/A
EPSS
3.33%
Published
Jan 26, 2009
Modified
Apr 22, 2026
Public PoC / Exploit (2)
All weaponized →Links to public security research (Exploit-DB, Nuclei, Trickest, GitHub) for defensive use only.
Description
admin/index.php in PHP iCalendar 2.3.4, 2.24, and earlier does not require administrative authentication for an addupdate action, which allows remote attackers to upload a calendar (aka .ics) file with arbitrary content to the calendars/ directory outside the web root.
Weaknesses (CWE)
Affected Products (17)
References (6)